Difference between Verification & Validation?

Answer Posted / nite

verification is to ensure if the software is developed as
per the requirement stated.

validation, on the other hand, is the overall picture of
ensuring if the software is actually developed to
successfully run in the real environment. Its more about the
involvement of the client.

Some posts have mentioned that the one is conducted by the
developer and the other by the tester, which I think is
wrong. both processes involve testing.

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